Alert archive / Maine / Somerset County
Weather alerts in Somerset County, Maine, 2024
151 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Somerset County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 151
- Warnings
- 38
- Watches
- 19
- Advisories
- 62
- Busiest month
- March22 alerts
- Busiest day
- August 4, 20247 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Somerset County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 7 | 36% | 20 | 75% | 23 min |
| Flash flood warnings | 5 | 0 | 100% | 0 |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Gray, ME: tornado warnings | 5 | 1 | 80% | 2 | 50% | 19 min |
| NWS Gray, ME: severe thunderstorm warnings | 99 | 77 | 22% | 324 | 81% | 19 min |
| NWS Gray, ME: flash flood warnings | 29 | 13 | 55% | 53 | 89% | 128 min |
| NWS Caribou, ME: tornado warnings | 1 | 0 | 100% | 0 | ||
| NWS Caribou, ME: severe thunderstorm warnings | 45 | 26 | 42% | 141 | 77% | 21 min |
| NWS Caribou, ME: flash flood warnings | 4 | 2 | 50% | 22 | 23% | 122 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 6, 3:50 AM EST | Winter Weather Advisory | GYX | 39 hr |
| Jan 8, 3:58 AM EST | Winter Storm Watch | CAR | 24 hr |
| Jan 8, 4:13 AM EST | Winter Storm Watch | GYX | 25 hr |
| Jan 9, 3:37 AM EST | Winter Storm Warning | CAR | 33 hr |
| Jan 9, 5:11 AM EST | Winter Storm Warning | GYX | 30 hr |
| Jan 12, 3:44 AM EST | Winter Weather Advisory | CAR | 39 hr |
| Jan 12, 3:55 AM EST | Winter Weather Advisory | GYX | 39 hr |
| Jan 14, 4:40 PM EST | Snow Squall Warning | GYX | 65 min |
| Jan 14, 5:34 PM EST | Snow Squall Warning | GYX | 56 min |
| Jan 14, 6:30 PM EST | Snow Squall Warning | GYX | 60 min |
| Jan 15, 3:31 PM EST | Winter Weather Advisory | GYX | 30 hr |
| Jan 15, 3:55 PM EST | Winter Storm Warning | CAR | 33 hr |
| Jan 15, 3:55 PM EST | Winter Weather Advisory | CAR | 33 hr |
| Jan 16, 2:33 AM EST | Winter Storm Warning | GYX | 22 hr |
| Jan 16, 1:49 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 18, 2:42 PM EST | Wind Chill Advisory | CAR | 18 hr |
| Jan 24, 2:39 AM EST | Winter Weather Advisory | GYX | 28 hr |
| Jan 24, 3:07 AM EST | Winter Weather Advisory | CAR | 27 hr |
| Jan 25, 2:38 PM EST | Winter Weather Advisory | CAR | 28 hr |
| Jan 25, 2:41 PM EST | Winter Weather Advisory | GYX | 28 hr |
| Feb 9, 2:33 AM EST | Winter Weather Advisory | CAR | 30 hr |
| Feb 27, 2:38 PM EST | Wind Advisory | GYX | 51 hr |
| Feb 27, 2:51 PM EST | Flood Watch | GYX | 36 hr |
| Feb 27, 4:05 PM EST | Wind Advisory | CAR | 35 hr |
| Feb 28, 9:55 PM EST | Special Weather Statement | GYX | 80 min |
| Feb 29, 4:12 PM EST | Wind Chill Advisory | CAR | 16 hr |
| Mar 6, 9:43 AM EST | Flood Watch | GYX | 26 hr |
| Mar 6, 12:55 PM EST | River Flood Warning | GYX | 47 hr |
| Mar 8, 2:41 PM EST | Flood Watch | GYX | 47 hr |
| Mar 8, 3:06 PM EST | Winter Storm Watch | GYX | 24 hr |
| Mar 9, 2:20 PM EST | Winter Weather Advisory | CAR | 23 hr |
| Mar 9, 3:10 PM EST | Winter Storm Warning | GYX | 22 hr |
| Mar 10, 2:54 PM EDT | Wind Advisory | GYX | 32 hr |
| Mar 20, 3:07 PM EDT | Winter Weather Advisory | GYX | 18 hr |
| Mar 20, 3:47 PM EDT | Winter Weather Advisory | CAR | 25 hr |
| Mar 21, 3:27 AM EDT | Winter Storm Watch | GYX | 35 hr |
| Mar 21, 8:08 PM EDT | Winter Storm Watch | CAR | 20 hr |
| Mar 22, 3:22 AM EDT | Winter Storm Warning | GYX | 48 hr |
| Mar 22, 4:11 AM EDT | Winter Storm Warning | CAR | 47 hr |
| Mar 23, 8:29 AM EDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 23, 7:10 PM EDT | Mesoscale Discussion | SPC | 5 hr |
| Mar 26, 3:13 AM EDT | Winter Weather Advisory | CAR | 18 hr |
| Mar 26, 3:42 AM EDT | Winter Weather Advisory | GYX | 23 hr |
| Mar 27, 2:49 PM EDT | Flood Watch | GYX | 46 hr |
| Mar 28, 12:01 AM EDT | Dense Fog Advisory | CAR | 9 hr |
| Mar 28, 6:12 PM EDT | Dense Fog Advisory | CAR | 9 hr |
| Mar 29, 6:27 PM EDT | Wind Advisory | GYX | 20 hr |
| Mar 29, 11:11 PM EDT | Wind Advisory | CAR | 16 hr |
| Apr 1, 3:51 PM EDT | Winter Storm Watch | GYX | 24 hr |
| Apr 2, 3:19 PM EDT | Winter Storm Warning | CAR | 60 hr |
| Apr 2, 3:32 PM EDT | Winter Storm Warning | GYX | 52 hr |
| Apr 4, 7:56 PM EDT | Winter Weather Advisory | GYX | 11 hr |
| Apr 10, 2:48 PM EDT | Flood Watch | GYX | 48 hr |
| Apr 12, 9:27 AM EDT | Areal Flood Advisory | GYX | 6 hr |
| Apr 12, 11:18 AM EDT | Areal Flood Warning | GYX | 4 hr |
| Apr 12, 2:51 PM EDT | Areal Flood Advisory | GYX | 4 hr |
| Apr 12, 7:03 PM EDT | River Flood Warning | GYX | 72 hr |
| Apr 15, 7:10 PM EDT | River Flood Warning | GYX | 117 min |
| May 15, 3:47 PM EDT | Special Weather Statement | GYX | 43 min |
| May 15, 5:04 PM EDT | Areal Flood Advisory | GYX | 3 hr |
| May 21, 1:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 12:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| May 23, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 23, 1:00 PM EDT | Special Weather Statement | CAR | 45 min |
| May 23, 1:06 PM EDT | Severe Thunderstorm Warning | GYX | 39 min |
| May 23, 1:08 PM EDT | Severe Thunderstorm Warning | GYX | 52 min |
| May 23, 2:41 PM EDT | Severe Thunderstorm Warning | GYX | 49 min |
| May 30, 1:58 PM EDT | Frost Advisory | GYX | 17 hr |
| Jun 5, 12:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 1:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 14, 2:14 PM EDT | Severe Thunderstorm Warning | GYX | 46 min |
| Jun 14, 2:57 PM EDT | Special Weather Statement | GYX | 33 min |
| Jun 15, 3:05 PM EDT | Frost Advisory | CAR | 15 hr |
| Jun 17, 2:36 AM EDT | Heat Advisory | GYX | 41 hr |
| Jun 17, 2:56 PM EDT | Heat Advisory | CAR | 53 hr |
| Jun 18, 2:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 18, 2:52 PM EDT | Excessive Heat Warning | GYX | 29 hr |
| Jun 18, 2:52 PM EDT | Heat Advisory | GYX | 29 hr |
| Jun 19, 12:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 3:17 PM EDT | Special Weather Statement | GYX | 43 min |
| Jun 19, 3:19 PM EDT | Heat Advisory | GYX | 28 hr |
| Jun 20, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 20, 1:02 PM EDT | Special Weather Statement | GYX | 58 min |
| Jun 20, 3:29 PM EDT | Severe Thunderstorm Warning | GYX | 61 min |
| Jun 30, 10:34 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 30, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 5, 12:02 PM EDT | Severe Thunderstorm Warning | CAR | 43 min |
| Jul 5, 3:19 PM EDT | Special Weather Statement | GYX | 26 min |
| Jul 5, 3:48 PM EDT | Special Weather Statement | GYX | 27 min |
| Jul 5, 4:09 PM EDT | Areal Flood Advisory | GYX | 18 min |
| Jul 5, 4:27 PM EDT | Flash Flood Warning | GYX | 3 hr |
| Jul 6, 9:26 AM EDT | Areal Flood Advisory | CAR | 3 hr |
| Jul 6, 5:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 9, 3:28 PM EDT | Flood Watch | CAR | 44 hr |
| Jul 9, 3:32 PM EDT | Flood Watch | GYX | 43 hr |
| Jul 9, 3:40 PM EDT | Severe Thunderstorm Warning | GYX | 35 min |
| Jul 10, 4:45 PM EDT | Flash Flood Warning | GYX | 110 min |
| Jul 10, 11:29 PM EDT | Flash Flood Warning | GYX | 4 hr |
| Jul 11, 3:06 AM EDT | Areal Flood Warning | GYX | 7 hr |
| Jul 11, 3:31 PM EDT | Special Weather Statement | GYX | 29 min |
| Jul 13, 1:13 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 13, 5:10 PM EDT | Areal Flood Advisory | GYX | 2 hr |
| Jul 16, 6:23 AM EDT | Special Weather Statement | CAR | 52 min |
| Jul 24, 5:33 AM EDT | Dense Fog Advisory | CAR | 2 hr |
| Aug 1, 10:58 AM EDT | Heat Advisory | GYX | 31 hr |
| Aug 4, 1:10 PM EDT | Special Weather Statement | GYX | 35 min |
| Aug 4, 1:17 PM EDT | Severe Thunderstorm Warning | GYX | 43 min |
| Aug 4, 1:34 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 1:44 PM EDT | Severe Thunderstorm Warning | GYX | 22 min |
| Aug 4, 2:20 PM EDT | Special Weather Statement | CAR | 40 min |
| Aug 4, 3:52 PM EDT | Areal Flood Advisory | GYX | 53 min |
| Aug 4, 7:32 PM EDT | Special Weather Statement | GYX | 58 min |
| Aug 14, 5:31 PM EDT | Special Weather Statement | GYX | 29 min |
| Aug 14, 6:12 PM EDT | Severe Thunderstorm Warning | GYX | 48 min |
| Aug 14, 6:41 PM EDT | Severe Thunderstorm Warning | GYX | 49 min |
| Aug 14, 9:45 PM EDT | Special Weather Statement | GYX | 45 min |
| Aug 14, 10:25 PM EDT | Special Weather Statement | GYX | 35 min |
| Aug 14, 11:08 PM EDT | Special Weather Statement | GYX | 37 min |
| Aug 14, 11:29 PM EDT | Special Weather Statement | GYX | 46 min |
| Aug 15, 4:00 AM EDT | Areal Flood Advisory | GYX | 3 hr |
| Aug 25, 8:00 PM EDT | Areal Flood Advisory | GYX | 2 hr |
| Aug 26, 3:16 AM EDT | Areal Flood Advisory | GYX | 2 hr |
| Aug 26, 5:39 AM EDT | Flash Flood Warning | GYX | 111 min |
| Aug 26, 6:31 AM EDT | Areal Flood Advisory | GYX | 21 min |
| Aug 26, 6:52 AM EDT | Flash Flood Warning | GYX | 2 hr |
| Aug 27, 4:55 AM EDT | Dense Fog Advisory | GYX | 5 hr |
| Oct 12, 6:17 AM EDT | Wind Advisory | GYX | 5 hr |
| Oct 12, 6:20 AM EDT | Wind Advisory | CAR | 10 hr |
| Oct 23, 3:11 AM EDT | Dense Fog Advisory | GYX | 7 hr |
| Nov 8, 2:22 AM EST | Wind Advisory | CAR | 32 hr |
| Nov 8, 2:28 AM EST | Wind Advisory | GYX | 32 hr |
| Nov 14, 2:40 AM EST | Winter Weather Advisory | CAR | 31 hr |
| Nov 25, 3:25 AM EST | Winter Weather Advisory | GYX | 34 hr |
| Nov 27, 2:45 AM EST | Winter Storm Watch | GYX | 13 hr |
| Nov 27, 4:32 AM EST | Dense Fog Advisory | GYX | 4 hr |
| Nov 27, 2:55 PM EST | Winter Storm Warning | CAR | 40 hr |
| Nov 27, 3:35 PM EST | Winter Storm Warning | GYX | 35 hr |
| Nov 28, 7:08 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 3, 2:33 PM EST | Winter Weather Advisory | CAR | 51 hr |
| Dec 3, 2:43 PM EST | Winter Weather Advisory | GYX | 44 hr |
| Dec 5, 5:59 AM EST | Winter Storm Warning | GYX | 4 hr |
| Dec 9, 3:21 AM EST | Winter Weather Advisory | GYX | 55 hr |
| Dec 9, 2:38 PM EST | Winter Weather Advisory | CAR | 43 hr |
| Dec 10, 7:07 AM EST | Flood Watch | GYX | 47 hr |
| Dec 10, 3:25 PM EST | Flood Watch | CAR | 39 hr |
| Dec 10, 3:25 PM EST | High Wind Warning | CAR | 36 hr |
| Dec 11, 12:02 PM EST | Wind Advisory | CAR | 15 hr |
| Dec 16, 2:51 PM EST | Winter Weather Advisory | CAR | 13 hr |
| Dec 16, 2:51 PM EST | Winter Weather Advisory | GYX | 12 hr |
| Dec 22, 4:12 AM EST | Cold Weather Advisory | GYX | 6 hr |
| Dec 23, 3:01 AM EST | Winter Weather Advisory | GYX | 34 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 11 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 18 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 5 |
| River Flood Warning | 3 |
| Flood Watch | 9 |
| Areal Flood Advisory | 11 |
| Winter | |
| Snow Squall Warning | 3 |
| Winter Storm Warning | 12 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 25 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 5 |
| Cold | |
| Cold Weather Advisory | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 10 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.